1. Myopia Program, Brien Holden Vision Institute, Sydney, Australia.
2. Department of Clinical Research, Hai Yen Eye Care, Ho Chi Minh City, Vietnam.
3. Department of Ophthalmology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam.
4. School of Optometry and Vision Science, University of New South Wales, Sydney, Australia.
5. Department of Ophthalmology, University of New South Wales, Sydney, Australia.